Goyal, Megh R., Eladio A. González, and Carmela Chao de Báez. “Temperature Versus Elevation Relationships for Puerto Rico”. The Journal of Agriculture of the University of Puerto Rico 72, no. 3 (July 1, 1988): 449–467. Accessed September 18, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6874.